The <span>relationship between the American colonies before the Revolutionary War was almost non-existent--with each colony functioning very much independently from the others, as if they were almost different countries. </span>
The answer is A ......................
I'd say pollution or disease.
Despite its importance in the integration process, little work has been done on the economic effects of naturalization in the United States.
The answer would be b because that is the best one that answers the question